A new survey assessing greenhouse gas (GHG) emissions from the Scottish fishing fleet shows nephrop trawlers as one of the worst offenders

A new survey assessing greenhouse gas (GHG) emissions from the Scottish fishing fleet has been released

A new survey assessing greenhouse gas emissions from the Scottish fishing fleet has been released.

This study assessed greenhouse gas emissions (GHG) by vessel type. The emissions of interest were constrained to those associated with energy use on the vessel. Emissions associated with onshore activities, from transport and refrigeration, were considered out of the scope.

Scotland’s Fisheries Management Strategy 2020-2030  commits to taking action to understand and mitigate the impacts of climate change on Scotland’s seas, one key aspect being to establish a “baseline [emission] per fleet segment”. The information available prior to this project does not provide sufficiently up-to-date data to define this baseline. 

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In general, the longer a vessel is, the more fossil fuel is used to power the vessel and the more it emits per day of activity. The vessel types with highest emissions in the Scottish fishing fleet are composed of the largest trawlers:

The survey examined GHG emissions per pound sterling of fish landed.

The vessels that result in the least GHG emitted by value landed are almost all in passive gear segment under 12 metres long, with the exception of large pelagic trawlers.

The vessels with the highest GHG emitted by value landed are Nephrops trawler segments and the three segments showing a higher variability in daily fuel use: Longliners, Demersal trawlers over 24 metres and Scallop dredgers over 15 metres.

The segment regrouping low activity vessel over 10m has the highest ratio of GHG emitted by value landed, but the results are skewed by the low level of activity of this segment.

Source

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New Survey Reveals Scottish Fishing Fleet GHG Emissions

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